[GitHub] [pulsar] limadelrey opened a new issue #5480: CDC Debezium Connector is generating unwanted topics

[GitBox <gi...@apache.org>]

limadelrey opened a new issue #5480: CDC Debezium Connector is generating unwanted topics
URL: https://github.com/apache/pulsar/issues/5480
 
 
   When using CDC Debezium Connector with PostgreSQL we need to specify which tenant, namespace and topic we're using to persist change logs. However, Debezium is generating unwanted topics on both specified and "public" tenants. 
   
   I'm using the following configurations in order to create a CDC Source Connector:
   
   ```
   tenant: "limadelrey"
   namespace: "first"
   name: "first-limadelrey-source-connector"
   topicName: "first-outbox-topic"
   archive: "connectors/pulsar-io-debezium-postgres-2.4.1.nar"
   
   parallelism: 1
   
   configs:
     database.hostname: "first-service-db"
     database.port: "5432"
     database.user: "postgres"
     database.password: "postgres"
     database.dbname: "first"
     database.server.name: "first"
     table.whitelist: "limadelrey.outbox"
     pulsar.service.url: "pulsar://127.0.0.1:6650"
   ```
   
   What I would expect to see the generation of two topics on the tenant/namespace combination that I specified before:
   
   **Tenant/Namespace/Topic**
   limadelrey/first/first-limadelrey-source-connector-debezium-offset-topic
   limadelrey/first/first-outbox-topic
   
   However, Debezium is generating the following topics (one seems to be the output of database.server.name + table.whitelist properties):
   
   **Tenant/Namespace/Topic**
   limadelrey/first/first-limadelrey-source-connector-debezium-offset-topic
   limadelrey/first/first-outbox-topic
   limadelrey/first/first.limadelrey.outbox
   public/default/first-outbox-topic

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